login
A116070
The digits of pi(n)=A000720(n) are obtained by adding pairs of adjacent digits of n.
2
15, 27, 226, 227, 334, 441, 2107, 3132, 5172, 10231, 40203, 50136
OFFSET
1,1
EXAMPLE
50136 belongs, since pi(50136)=5149 and (5+0)=5, (0+1)=1, (1+3)=4 and
(3+6)=9.
CROSSREFS
Sequence in context: A087719 A174216 A249874 * A186074 A230649 A229195
KEYWORD
nonn,base,fini,more
AUTHOR
Giovanni Resta, Feb 13 2006
STATUS
approved